Multiple Choice
Which of the following statements correctly defines colligative properties?
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14. Solutions
The Colligative Properties
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Which of the following is an example of a colligative property?
A
Electrical conductivity
B
Boiling point elevation
C
Density increase
D
Color change
Verified step by step guidance1
Understand that colligative properties depend on the number of solute particles in a solution, not on their identity or type.
Recall the common colligative properties: vapor pressure lowering, boiling point elevation, freezing point depression, and osmotic pressure.
Analyze each option: Electrical conductivity depends on the type of ions present, so it is not a colligative property.
Density increase and color change depend on the nature and concentration of the solute, not just the number of particles, so they are not colligative properties.
Boiling point elevation is a classic colligative property because it depends solely on the number of dissolved particles, making it the correct example.
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